def clean(self):
try:
_select_lock(self.instance, self.cleaned_data[self.instance.RevisionMetaInfo.field.name])
except RecordModifiedError:
self._update_errors({NON_FIELD_ERRORS: self.error_class([_('Record Modified')])})
return super(ConcurrentForm, self).clean()
def concurrency_check(model_instance,
force_insert=False,
force_update=False,
using=None,
**kwargs):
if not force_insert:
_select_lock(model_instance)
def clean(self):
try:
if self.instance.pk:
_select_lock(self.instance, self.cleaned_data[self.instance._concurrencymeta.field.name])
except RecordModifiedError:
self._update_errors(ValidationError({NON_FIELD_ERRORS: self.error_class([_('Record Modified')])}))
return super(ConcurrentForm, self).clean()
def test_select_lock(settings):
s1 = SimpleConcurrentModel.objects.create()
s2 = refetch(s1)
assert s1.version == s2.version
s2.save()
with pytest.raises(RecordModifiedError):
_select_lock(s1)
settings.CONCURRENCY_ENABLED = False
_select_lock(s1)
def clean(self):
try:
_select_lock(
self.instance,
self.cleaned_data[self.instance.RevisionMetaInfo.field.name])
except RecordModifiedError:
self._update_errors(
{NON_FIELD_ERRORS: self.error_class([_('Record Modified')])})
return super(ConcurrentForm, self).clean()
def concurrency_check(model_instance, force_insert=False, force_update=False, using=None, **kwargs):
if not force_insert:
_select_lock(model_instance)
